840797 Plug | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta plug from the Cooling System group, to be installed in the cylinder head, weighing 0.011 kg and listed for 29 applications across D and MS series engines.

🚤 Compatibility

• Engine Family: D, MS

Full model list at the end of this description.

⚙️ Key Features

• To be installed in the cylinder head
• 0.011 kg
• 29 published applications across D and MS series
• Quantity varies by assembly, most commonly one

🔌 Function

Closes a coolant passage in the cylinder head so coolant is contained and routed correctly.

⚠️ Common Signs of Failure

• Coolant weeping from the cylinder head at the plug
• Plug corroded or pitted
• Drive or thread damaged on removal
• Deposits or crust around the plug
• Coolant level falling with no external puddle

🛠️ Service Notes

• Clamp 840676 carries the same note about installation in the cylinder head and the same 29 D and MS applications, so the two belong together
• Plug 840677 at 0.027 kg and plug 840781 at 0.003 kg are the other plugs in this group, so check the size before ordering
• Clean the seat and use a new sealing washer where one is fitted

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta 2003, 2003R, 2003R SOLAS, 120S-B, 2003TB, 2003TB SOLAS, 120SC, 2001AG, 2001B, 2001BG, 2001D, 2003D, 2003T, 2003TR, 2002AG, 2002B, 2002BG, 2002D, 2003B, 2003B SOLAS, 2003 SOLAS, 2001, 2002, 2001R
• Volvo Penta MS2B-A, MS2B, MS2V
• Volvo Penta D2002AG
• Volvo Penta D2003AG